40719778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:414

約数の個数: 32

約数和(自身を含む): 68428800

約数和(自身を除く): 27709022

約数列:

[1, 2, 11, 22, 71, 131, 142, 199, 262, 398, 781, 1441, 1562, 2189, 2882, 4378, 9301, 14129, 18602, 26069, 28258, 52138, 102311, 155419, 204622, 286759, 310838, 573518, 1850899, 3701798, 20359889, 40719778]

約数ペア:

[(1, 40719778), (2, 20359889), (11, 3701798), (22, 1850899), (71, 573518), (131, 310838), (142, 286759), (199, 204622), (262, 155419), (398, 102311), (781, 52138), (1441, 28258), (1562, 26069), (2189, 18602), (2882, 14129), (4378, 9301)]